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Skip some validation checks when BUNDLE group value is found #2735

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Skip some validation checks when BUNDLE group value is found #2735

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2 changes: 2 additions & 0 deletions peerconnection_go_test.go
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Expand Up @@ -1399,6 +1399,7 @@ func TestTransceiverCreatedByRemoteSdpHasSameCodecOrderAsRemote(t *testing.T) {
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE video-0 video-1
m=video 60323 UDP/TLS/RTP/SAVPF 98 94 106
a=ice-ufrag:1/MvHwjAyVf27aLu
a=ice-pwd:3dBU7cFOBl120v33cynDvN1E
Expand Down Expand Up @@ -1459,6 +1460,7 @@ a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE video-0 video-1
m=video 60323 UDP/TLS/RTP/SAVPF 98 106
a=ice-ufrag:1/MvHwjAyVf27aLu
a=ice-pwd:3dBU7cFOBl120v33cynDvN1E
Expand Down
24 changes: 15 additions & 9 deletions sdp.go
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Expand Up @@ -709,8 +709,13 @@ func extractFingerprint(desc *sdp.SessionDescription) (string, string, error) {
return "", "", ErrSessionDescriptionNoFingerprint
}

for _, m := range fingerprints {
if m != fingerprints[0] {
// https://github.com/pion/webrtc/issues/2621
groupAttribue, _ := desc.Attribute(sdp.AttrKeyGroup)

isBundled := strings.Contains(groupAttribue, "BUNDLE")

if !isBundled {
if len(fingerprints) != 1 {
return "", "", ErrSessionDescriptionConflictingFingerprints
}
}
Expand Down Expand Up @@ -769,14 +774,15 @@ func extractICEDetails(desc *sdp.SessionDescription, log logging.LeveledLogger)
return "", "", nil, ErrSessionDescriptionMissingIcePwd
}

for _, m := range remoteUfrags {
if m != remoteUfrags[0] {
return "", "", nil, ErrSessionDescriptionConflictingIceUfrag
}
}
// https://github.com/pion/webrtc/issues/2621
groupAttribue, _ := desc.Attribute(sdp.AttrKeyGroup)

isBundled := strings.Contains(groupAttribue, "BUNDLE")

for _, m := range remotePwds {
if m != remotePwds[0] {
if !isBundled {
if len(remoteUfrags) != 1 {
return "", "", nil, ErrSessionDescriptionConflictingIceUfrag
} else if len(remotePwds) != 1 {
return "", "", nil, ErrSessionDescriptionConflictingIcePwd
}
}
Expand Down